Iindicate whether the following passage is an expository passage, an illustration, or an explanation. A radio signal carrying Morse code on a continuous wave that is switched on and off is more reliable than a radio signal that uses modulation to convey information. This is because it takes more power for a modulated radio wave to reach its destination than it does for a continuous wave to reach its destination.

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

How does désir represent the diversity of europe today? how did the 1400s and 1500s affect the religious diversity of europe? how might cultural diversity in a place like germany affect everyday life? what are two reasons some europeans might find immigration to be an advantage? what are two reasons some might find it to be a disadvantage? why do you think languages and culture spread more easily in europe now than in the past?

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change